AI-generatedDandong at a glance
- Best time
- Apr – Jun, Sep – Oct
- Warmest month
- Aug · 28°
- Warmest sea
- Aug · 24.4°
- Sunshine a year
- 2,410 h
- Rain a year
- 956 mm
- Climate
- Continental
- Time zone
- UTC+8
- Elevation
- 10 m
Climate in Dandong
Dandong has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 28 °C, while January is the coolest at −2 °C. With around 2,410 hours of sunshine a year, Dandong is sunny; May is the sunniest month with 7.9 hours a day.
Holiday weather through the year
Best time to visit Dandong
The best time to visit Dandong is from April to June and from September to October. For a beach holiday – sea from 21 °C, warm and mostly dry – go in September. For sightseeing, day trips and hiking, conditions are most comfortable from April to June and from September to October. Rain is frequent from July to August; the wettest month is August with 243 mm.
Dandong through the seasons
How the weather changes over the seasons, with averages for each.
Dandong in spring
Mar – May
Good
- 8–21 °C by day
- Sea 8 °C
- 7.6 h of sun a day
- 18 rainy days in all
Dandong in summer
Jun – Aug
Good
- 25–28 °C by day
- Sea 22 °C
- 6.0 h of sun a day
- 36 rainy days in all
Dandong in autumn
Sep – Nov
Good
- 8–25 °C by day
- Sea 17 °C
- 6.6 h of sun a day
- 20 rainy days in all
Dandong in winter
Dec – Feb
Fair
- −2–2 °C by day
- Sea 2 °C
- 6.3 h of sun a day
- 9 rainy days in all
Which month for what?
Beach & swimming
Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Jul – Aug
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Dandong for you.
Your best months: May – June, September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – June, September – October
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 12°
- Night, 23:00: about 10°
05:5217:04
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:35–06:28 · evening 16:28–17:21
- Blue hour
- Morning 05:24–05:35 · evening 17:21–17:32
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Dandong compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 21° at the start of the month to 13° at the end. The sea cools from 20° to 14°. The days get 1.2 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 21° | 13° |
| Night-time low | 11° | 3° |
| Sea | 20° | 14° |
| Daylight | 11.8 h | 10.6 h |
What is the weather like in Dandong in October?
In October, Dandong is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 17.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.8 hours a day. Rain falls on about 7 days, adding up to 58 mm. All in all, October is an excellent month for a holiday in Dandong.
More details for October
- Daylight
- 11 h 13 min05:52 – 17:04
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 42 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 50 %97 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 30 %80 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Compare two months in Dandong
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and May bring similar holiday weather to Dandong (score 85 and 88). In May, days are 3 °C warmer than in October. The sea is 5 °C cooler in May. May has one more rainy day. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 85 | 88 |
| Daytime high | 18° | 21° |
| Night-time low | 7° | 11° |
| Sea | 17.6° | 13.1° |
| Sunshine | 6.8 h | 7.9 hbetter |
| Rainy days | 7better | 8 |
| Rainfall | 58 mmbetter | 84 mm |
Based on the climate averages 1996–2025.
Dandong month by month
The typical weather for every month at a glance.
41January−2° · Sea 1° · 6.3 h
In January, Dandong is bitterly cold: daytime highs average −2 °C, and nights often drop below freezing (−11 °C). The sea averages 1.4 °C – swimming is only for the hardy. Expect around 6.3 hours of sunshine a day. Precipitation falls on about 2 days, totalling 11 mm; on about 2 of them it snows. All in all, January is a so-so month for a holiday in Dandong.
Dandong in January43February2° · Sea 0° · 6.9 h
In February, Dandong is bitterly cold: daytime highs average 2 °C, and nights often drop below freezing (−8 °C). The sea averages 0.3 °C – swimming is only for the hardy. The sun shines for around 6.9 hours a day. Precipitation falls on about 3 days, totalling 17 mm; on about 2 of them it snows. All in all, February is a so-so month for a holiday in Dandong.
Dandong in February44March8° · Sea 2° · 7.3 h
In March, Dandong is cold: daytime highs average 8 °C, and nights often drop below freezing (−2 °C). The sea averages 2.4 °C – swimming is only for the hardy. The sun shines for around 7.3 hours a day. Rain is rare: about 4 days bring 26 mm in total. All in all, March is a so-so month for a holiday in Dandong.
Dandong in March76April15° · Sea 8° · 7.5 h
In April, Dandong is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 7.5 °C – swimming is only for the hardy. The sun shines for around 7.5 hours a day. Rain falls on about 6 days, adding up to 51 mm. All in all, April is a good month for a holiday in Dandong.
Dandong in April88May21° · Sea 13° · 7.9 h
In May, Dandong is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 13.1 °C – swimming is only for the hardy. The sun shines for around 7.9 hours a day. Rain falls on about 8 days, adding up to 84 mm. All in all, May is an excellent month for a holiday in Dandong.
Dandong in May81June25° · Sea 18° · 6.8 h
In June, Dandong is warm: daytime highs average 25 °C, and nights cool down to about 17 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.8 hours a day. Rain is frequent, with about 9 rainy days and 103 mm in total. All in all, June is an excellent month for a holiday in Dandong.
Dandong in June65July27° · Sea 22° · 4.9 h
In July, Dandong is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 224 mm in total. The air is often humid and muggy. All in all, July is a good month for a holiday in Dandong.
Dandong in July62August28° · Sea 24° · 6.3 h
In August, Dandong is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 24.4 °C – pleasant for swimming. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 243 mm in total. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Dandong.
Dandong in August88September25° · Sea 23° · 7.4 h
In September, Dandong is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 22.9 °C – refreshing for a swim. The sun shines for around 7.4 hours a day. Rain falls on about 7 days, adding up to 78 mm. All in all, September is an excellent month for a holiday in Dandong.
Dandong in September85October18° · Sea 18° · 6.8 h
In October, Dandong is mild: daytime highs average 18 °C, and nights cool down to about 7 °C. The sea averages 17.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.8 hours a day. Rain falls on about 7 days, adding up to 58 mm. All in all, October is an excellent month for a holiday in Dandong.
Dandong in October35November8° · Sea 11° · 5.6 h
In November, Dandong is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sea averages 11.3 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain falls on about 6 days, adding up to 45 mm. All in all, November is not an ideal month for a holiday in Dandong.
Dandong in November39December0° · Sea 5° · 5.6 h
In December, Dandong is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−8 °C). The sea averages 5.3 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is rare: about 4 days bring 17 mm in total. All in all, December is not an ideal month for a holiday in Dandong.
Dandong in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Dandong
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (15+ muggy days)
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in January (−11°), the warmest in July (21°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from October to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 66 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 41 | −2° | −11° | 1.4° | 6.3 h | 2 | 11 |
| FebruaryFeb | 43 | 2° | −8° | 0.3° | 6.9 h | 3 | 17 |
| MarchMar | 44 | 8° | −2° | 2.4° | 7.3 h | 4 | 26 |
| AprilApr | 76 | 15° | 5° | 7.5° | 7.5 h | 6 | 51 |
| MayMay | 88 | 21° | 11° | 13.1° | 7.9 h | 8 | 84 |
| JuneJun | 81 | 25° | 17° | 18.3° | 6.8 h | 9 | 103 |
| JulyJul | 65 | 27° | 21° | 22.2° | 4.9 h | 13 | 224 |
| AugustAug | 62 | 28° | 21° | 24.4° | 6.3 h | 14 | 243 |
| SeptemberSep | 88 | 25° | 15° | 22.9° | 7.4 h | 7 | 78 |
| OctoberOct | 85 | 18° | 7° | 17.6° | 6.8 h | 7 | 58 |
| NovemberNov | 35 | 8° | −1° | 11.3° | 5.6 h | 6 | 45 |
| DecemberDec | 39 | 0° | −8° | 5.3° | 5.6 h | 4 | 17 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
40.13° N, 124.39° E · 10 m · Asia/Shanghai
Sea temperature in Dandong
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 16.8 – 18.4 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Dandong ranges from 0.3 °C in February to 24.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.0 and 25.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 1.4° | −0.7° | 4.3° | cold |
| FebruaryFeb | 0.3° | −0.9° | 2.1° | cold |
| MarchMar | 2.4° | 1.3° | 3.4° | cold |
| AprilApr | 7.5° | 6.0° | 8.7° | cold |
| MayMay | 13.1° | 11.9° | 14.5° | cold |
| JuneJun | 18.3° | 17.4° | 19.4° | fresh |
| JulyJul | 22.2° | 20.7° | 23.5° | refreshing |
| AugustAug | 24.4° | 23.0° | 25.8° | pleasant |
| SeptemberSep | 22.9° | 21.9° | 24.1° | refreshing |
| OctoberOct | 17.6° | 16.8° | 18.4° | fresh |
| NovemberNov | 11.3° | 9.9° | 12.7° | cold |
| DecemberDec | 5.3° | 3.5° | 7.7° | cold |
Sunshine hours in Dandong
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.8 of 11.2 hours of daylight in Dandong, 61 % of the daylight hours.
Sunshine hours: measured at the weather station 10 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Dandong: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Dandong has about 7 rainy days with 58 mm of rain in total.
UV index in Dandong
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 35 min
- Fair skin
- about 40 min
- Light brown skin
- about 60 min
- Olive skin
- about 75 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Dandong
How breezy and how cloudy Dandong is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Dandong typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Mar.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 42 % of the sky over Dandong: mostly sunny, with about 6.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Dandong
How often the day gets hot in Dandong (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Dandong has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Dandong
Snow is possible in Dandong, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Dandong.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Dandong
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Dandong in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Dandong has its best school-holiday weather during May half-term (score 87) and its weakest during the Christmas holidays (score 40).
- 66
Easter holidays
Mar – Apr
Good
- 13 °C by day
- Sea 6 °C
- 7.4 h of sun a day
- 6 rainy days a month
- 87
May half-term
May – Jun
ExcellentBest holidays
- 22 °C by day
- Sea 14 °C
- 7.7 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 63
Summer holidays
Jul – Aug
Good
- 28 °C by day
- Sea 24 °C
- 5.8 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 85
October half-term
Oct
Excellent
- 18 °C by day
- Sea 18 °C
- 6.8 h of sun a day
- 7 rainy days a month
Good for: Sightseeing & walks
- 40
Christmas holidays
Dec – Jan
Fair
- −1 °C by day
- Sea 3 °C
- 5.9 h of sun a day
- 3 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 45 min
- Distance
- 8,520 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Dandong compared
Put Dandong side by side with another destination.
Dandong vs Anshan
In October the holiday weather in Dandong and Anshan is about equally good (score 85 vs 84). During the day Anshan is 1 °C cooler than Dandong.
| in October | Dandong | Anshan |
|---|---|---|
| Holiday weather score | 85 | 84 |
| Daytime high | 18° | 17° |
| Sea | 18° | no sea nearby |
| Sunshine | 7 h | 7 h |
| Rainy days | 7 | 6 |
| Best time | Apr – Jun, Sep – Oct | Apr – May, Sep – Oct |
Through the year
China in October: the best places
In October, Dandong ranks 18 among the 31 nearest destinations in this country.
- Weihai20°20°91
- 2Yantai20°20°91
- 3Qinhuangdao19°18°91
- 4Tangshan20°91
- 5Chengde18°91
- 6Beijing19°91
- 7Baoding21°91
- 8Dalian18°19°90
- 18DandongThis page18°18°85
Near Dandong
Other destinations close by.
Places with a climate like Dandong
Destinations whose weather through the year is closest to Dandong's – good alternatives.
Frequently asked questions about Dandong
When is the best time to visit Dandong?
The best time to visit Dandong is from April to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Dandong?
The sea temperature in Dandong ranges from 0.3 °C in February to 24.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Dandong in October?
Only if you don't mind cold water: in October the sea averages just 17.6 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Dandong?
August is the warmest month, with average highs of 28 °C and nights around 21 °C. January is the coolest month at −2 °C.
When does it rain most in Dandong?
Rain is frequent from July to August; the wettest month is August with 243 mm. The driest month is January with 11 mm.
How many hours of sunshine does Dandong get?
Dandong gets around 2,410 hours of sunshine a year. The sunniest month is May with 7.9 hours a day; in July there are 4.9 hours a day.
What time zone is Dandong in?
Dandong is on UTC+8 all year.
How long is the flight from London to Dandong?
A nonstop flight from London to Dandong takes about 10 h 45 min, for a straight-line distance of about 8,520 km.
Which school holidays are best for Dandong?
Dandong has its best school-holiday weather during May half-term (score 87) and its weakest during the Christmas holidays (score 40). Holiday ratings (0–100): Easter holidays 66, May half-term 87, summer holidays 63, October half-term 85, Christmas holidays 40.